Shandong Public Chain Information Technology Co., Ltd., established on 2014-10-14, Business scope includes computer software development,Sales,technology transfer,technical consulting,Technical Services,Technology Development of Service Consumption Robots,Data Processing and Storage Services,computer system integration,computer graphic design,Blockchain technology development,Technical Services,Domestic advertising business,business inquiries,marketing planning,Economic and Trade Consulting,Business Management Consulting;wholesale,retail:Computers and Auxiliary Equipment,daily necessities,electronic product,knitted goods,furniture,crafts(Except for ivory and its products),Jewelry,Toy,sporting goods,cosmetic,Stationery.